81440490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 200558592

約数和(自身を除く): 119118102

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 191, 233, 305, 366, 382, 466, 573, 610, 699, 915, 955, 1146, 1165, 1398, 1830, 1910, 2330, 2865, 3495, 5730, 6990, 11651, 14213, 23302, 28426, 34953, 42639, 44503, 58255, 69906, 71065, 85278, 89006, 116510, 133509, 142130, 174765, 213195, 222515, 267018, 349530, 426390, 445030, 667545, 1335090, 2714683, 5429366, 8144049, 13573415, 16288098, 27146830, 40720245, 81440490]

約数ペア:

[(1, 81440490), (2, 40720245), (3, 27146830), (5, 16288098), (6, 13573415), (10, 8144049), (15, 5429366), (30, 2714683), (61, 1335090), (122, 667545), (183, 445030), (191, 426390), (233, 349530), (305, 267018), (366, 222515), (382, 213195), (466, 174765), (573, 142130), (610, 133509), (699, 116510), (915, 89006), (955, 85278), (1146, 71065), (1165, 69906), (1398, 58255), (1830, 44503), (1910, 42639), (2330, 34953), (2865, 28426), (3495, 23302), (5730, 14213), (6990, 11651)]